June 13, 2011

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 61 patent authorities around the world, and other reputable web sources.

The following patent record is from the CAplusSM database.

CAPLUS COPYRIGHT 2011 ACS
PATENT NUMBER: US 7943805
TITLE: Method of producing lower alcohols from glycerol, catalytic hydrogenation process, and antifreeze composition
INVENTOR(S): Suppes, Galen J.; Sutterlin, William Rusty; Dasari, Mohanprasad
PATENT ASSIGNEE(S): University of Missouri, USA; Renewable Alternatives LLC
SOURCE: U.S. Pat. Appl. Publ., 19 pp., Cont.-in-part of U.S. Ser. No. 420047, abandoned. CODEN: USXXCO
LANGUAGE: English

 

ABSTRACT:
A reactive-separation process converts glycerin into lower alcs., having b.ps. of less than 200 degrees, at high yields.  Conversion of natural glycerin to propylene glycol through an acetol intermediate is achieved at 150-250 degrees at a pressure 1-25 bar.  The preferred applications of the propylene glycol are as an antifreeze, deicing compound, or anti-icing compound.  The preferred catalyst for this process is a Cu-Cr powder.

 

View the full-text patent from the USPTO.

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